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<head>
  <title>Test for JSVersion in workers - Bug 487070</title>
  <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
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<p id="display"></p>
<div id="content" style="display: none">

</div>
<pre id="test">
<script class="testbody" language="javascript">

  var gExpectedError = false;

  onerror = function(evt) {
    ok(gExpectedError, "Error expected!");
    runTest();
  }

  function doMagic() {
    var worker = new Worker('jsversion_worker.js');
    worker.onmessage = function(evt) {
      ok(evt.data, 'All the tests passed');
      runTest();
    }
    worker.postMessage(1);
  }

  var tests = [
    // No custom version
    function() {
      gExpectedError = true;
      SpecialPowers.pushPrefEnv({"set":[['dom.workers.latestJSVersion', false]]},
                                function() { doMagic(true); });
    },

    // Enable latest JS Version
    function() {
      gExpectedError = false;
      SpecialPowers.pushPrefEnv({"set":[['dom.workers.latestJSVersion', true]]},
                                function() { doMagic(false); });
    }
  ];

  function runTest() {
    if (!tests.length) {
      SimpleTest.finish();
      return;
    }

    var test = tests.shift();
    test();
  }

  SimpleTest.waitForExplicitFinish();
  runTest();

</script>
</pre>
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